CN101132992B - Method of wastewater treatment and wastewater treatment equipment - Google Patents
Method of wastewater treatment and wastewater treatment equipment Download PDFInfo
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- CN101132992B CN101132992B CN2006800067965A CN200680006796A CN101132992B CN 101132992 B CN101132992 B CN 101132992B CN 2006800067965 A CN2006800067965 A CN 2006800067965A CN 200680006796 A CN200680006796 A CN 200680006796A CN 101132992 B CN101132992 B CN 101132992B
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 239000011941 photocatalyst Substances 0.000 claims abstract description 78
- 239000002101 nanobubble Substances 0.000 claims description 141
- 239000007788 liquid Substances 0.000 claims description 77
- 238000005276 aerator Methods 0.000 claims description 62
- 239000010815 organic waste Substances 0.000 claims description 37
- 244000005700 microbiome Species 0.000 claims description 27
- 230000002906 microbiologic effect Effects 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 11
- 235000012206 bottled water Nutrition 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 18
- 230000003647 oxidation Effects 0.000 abstract description 14
- 238000007254 oxidation reaction Methods 0.000 abstract description 14
- 239000002351 wastewater Substances 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000005416 organic matter Substances 0.000 abstract 6
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 230000000813 microbial effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 9
- 239000005033 polyvinylidene chloride Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 230000009183 running Effects 0.000 description 5
- 230000002000 scavenging effect Effects 0.000 description 5
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- 238000009434 installation Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010061291 Mineral deficiency Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/08—Prevention of membrane fouling or of concentration polarisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
- C02F3/1273—Submerged membrane bioreactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/06—Submerged-type; Immersion type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
- B01D2321/185—Aeration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3222—Units using UV-light emitting diodes [LED]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Treatment Of Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
A wastewater treatment equipment in which wastewaters containing organic matter are treated by micronanobubbles in micronanobubble reaction vessel (3) and thereafter introduced in aerating tank (7). Consequently, prior to the treatment with microbes having their activity enhanced in the aerating tank (7), the wastewaters containing organic matter are treated by micronanobubbles to thereby accomplish partial oxidation of the organic matter contained in the wastewater with the micronanobubbles with the result that the organic matter load is reduced. Thereafter, the treated water is introduced in the aerating tank (7) in which by means of submerged membrane (17), microbes are present in high concentration to thereby accomplish effective disposal of the organic matter. Through miniaturization of the aerating tank (7), there can be accomplished reduction of the scale of whole equipment and reduction of initial cost. In photocatalyst tank (22) arranged downstream of the aerating tank (7), high-level oxidation of a minute amount of organic matter unaffected by the microbial treatment alone can be carried out by oxidation by means of photocatalyst plate (24).
Description
Technical field
The present invention relates to handle the method for wastewater treatment and the wastewater treatment equipment that contain organic waste water, relate to the high concentration microorganism processing that can for example use film in the liquid, the processing of micro-nano bubble, photocatalyst treatment etc., and can miniaturization and improve the wastewater treatment equipment and the method for wastewater treatment of water quality treatment.
Background technology
In the past, the capacity of aerator tank was big in general microbe treatment system, for the setting that the few factory in place is difficult to guarantee aerator tank is set.What therefore, need whole wastewater treatment equipment is provided with little, the well behaved method of wastewater treatment of area, wastewater treatment equipment.
In addition, utilize in the high concentration microorganism treatment system of film in the liquid, exist along with the process of time is stopped up the problem that the water yield reduces that sees through that produces by film in the liquid.Film stops up in the liquid even therefore need, and also can effectively clean the method as the lubricant component on film surface in the liquid of plugging reason.
In addition, the system that only carries out the high concentration microorganism processing appends activated carbon adsorption sometimes and handles under the situation of the further advanced treatment of needs, but in this case, because there is the high problem of operation cost in the replacing of the gac after the organism absorption.Film stops up in the liquid even therefore need, and also can effectively clean the method as the lubricant component on film surface in the liquid of plugging reason.
On the other hand, as other conventional art, the treatment process and the treatment unit that utilize the nanometer bubble in patent documentation 1 (the Japanese Patent spy opens the 2004-121962 communique), have been put down in writing.
The conventional art characteristics such as the generation of buoyancy minimizings that has by nanometer bubble, the increase of surface-area, surface-active increase, partial high pressure field, surfactivity effect that the realization of static polar is produced and germicidal action of having applied in a flexible way.More particularly, disclose in the conventional art,, brought into play adsorption function, the high speed cleaning function of body surface, the sterilizing function of dirty composition by these are collaborative mutually, can clean various objects with high function, low environmental load, can carry out the purification of sewage.
In addition, as one of present conventional art, in patent documentation 2 (the Japanese Patent spy opens the 2003-334548 communique), put down in writing the generation method of nano bubble.
In the generation method of the nano bubble of the conventional art, disclose, in liquid, have (1) and the part of liquid is decomposed the operation of gasification, perhaps (2) apply hyperacoustic operation in liquid, and perhaps (3) are decomposed the part of liquid the operation of gasification and applied hyperacoustic operation.
But, though in 2 above-mentioned conventional arts, disclose, utilize the purification of sewage of nanometer bubble or the technology of utilizing the nanometer bubble to remove the dirt of solid surface, but the microorganism active when containing organic waste water about raising with microbiological treatment, the technology that processing efficiency, water quality treatment are improved did not but disclose.
Summary of the invention
For this reason, problem of the present invention is, the method for wastewater treatment and the wastewater treatment equipment that can make the processing efficiency that contains organic waste water improve, can realize simultaneously miniaturization and reduce operation cost are provided.
In order to solve above-mentioned problem, method of wastewater treatment of the present invention has with micro-nano bubble handles the micro-nano bubble treatment process that contains organic waste water; Use film in the liquid, in above-mentioned micro-nano bubble treatment process, handling the microbiological treatment operation that the above-mentioned treating water that contains organic waste water and get carries out microbiological treatment; Clean the matting of film in the above-mentioned liquid with micro-nano bubble; With the photocatalyst treatment operation of the treating water after the mentioned microorganism processing being carried out photocatalyst treatment.
In method of wastewater treatment of the present invention, the organism that will contain in the organic waste water through micro-nano bubble treatment process carries out pre-treatment with micro-nano bubble, and the treating water of gained is carried out microbiological treatment by the microbiological treatment operation.Therefore because through the effect of the pre-treatment of above-mentioned micro-nano bubble, can reduce after microbiological treatment in organic loading, perhaps can improve microbic activity, and the equipment miniaturization that microbiological treatment can be used.
In addition, by carrying out photocatalyst treatment through the treating water after the microbiological treatment of mentioned microorganism treatment process, the organism of remaining trace can realize surpassing the ultimate advanced treatment of microbiological treatment through photocatalyst treatment in the treating water.
In addition, the wastewater treatment equipment of an embodiment has to be imported into and contains organic waste water, and handles the above-mentioned micro-nano bubble reactive tank that contains organic waste water with micro-nano bubble; Be imported into treating water, and have film in the liquid, above-mentioned treating water is carried out microbiological treatment, and have the aerator tank that the micro-nano bubble of generation cleans the micro-nano bubble cleaning part of film in the above-mentioned liquid from above-mentioned micro-nano bubble reactive tank; Be imported into treating water from above-mentioned aerator tank, and the photocatalyst groove of the above-mentioned treating water of photocatalyst treatment.
In the wastewater treatment equipment of this embodiment, after micro-nano bubble reactive tank contains organic waste water with micro-nano bubble processing, be directed into aerator tank with film in the liquid.That is, in this embodiment, before the microbiological treatment in aerator tank, in micro-nano bubble reactive tank, contain organic waste water with micro-nano bubble processing.Therefore, can reduce after the organic loading with the organism in the micro-nano bubble oxidized waste water, processed water is imported to the aerator tank that the microorganism high density exists, film is handled organism effectively in liquid.By this, realize the miniaturization of aerator tank, the downsizing of implement device overall size realizes the minimizing of current cost just.In addition, in the photocatalyst groove in the downstream of aerator tank,, can only utilize the organic deep oxidation of the impossible trace of microbiological treatment to handle by oxide treatment through photocatalyst.
In addition, the wastewater treatment equipment of one embodiment has the adjustment groove, this adjustment groove is configured in before the above-mentioned micro-nano bubble reactive tank and is imported into above-mentioned organic waste water, the above-mentioned water quality and the water yield that contains organic waste water of adjustment of containing, and above-mentioned micro-nano bubble reactive tank is imported at above-mentioned adjustment groove has adjusted containing of the water quality and the water yield of organic waste water.
In the wastewater treatment equipment of this embodiment, contain organic waste water after the adjustment groove has been adjusted the water quality and the water yield, be directed to micro-nano bubble reactive tank, can effectively utilize the organic oxide treatment of micro-nano bubble.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned micro-nano bubble reactive tank has micro-nano bubble generator, has processed water is fed through the bottled water division that micron steeps generator from above-mentioned aerator tank film through above-mentioned liquid.
In the wastewater treatment equipment of this embodiment, the bottled water division from above-mentioned aerator tank film through above-mentioned liquid, is fed through the micro-nano bubble generator in the micro-nano bubble reactive tank with processed water.That is, will be from film processed water (containing electrolytical water) is fed through micro-nano bubble generator in the liquid of the aerator tank of the high concentration microorganism device of film as having utilized in the liquid.Like this, this micro-nano bubble generator can stably be supplied with atomic little bubble in micro-nano bubble reactive tank.
In this wastewater treatment equipment, the micro-nano bubble of micro-nano bubble cleaning part by producing, film will clean as the lubricant component of the reason of film in the plugging fluid effectively in the scavenging solution.
In addition, in the wastewater treatment equipment of one embodiment, above-mentioned aerator tank has the spue diffuser of film in the above-mentioned liquid of air purge of in above-mentioned liquid film, the micro-nano bubble that produces by above-mentioned micro-nano bubble cleaning part and the air mixed that above-mentioned diffuser spues get mixes bubble, cleans film in the above-mentioned liquid.
According to the wastewater treatment equipment of this embodiment, the micro-nano bubble that micro-nano bubble cleaning part produces can be mixed with these 2 kinds bubbles of big air bubble that diffuser spues, clean film in the liquid of above-mentioned aerator tank.Therefore, bring into play these 2 kinds of bubbles characteristics separately, can expect the synergies that 2 kinds of bubbles produce, can more abundant scavenging solution effectively in film.That is, move, can import film in the above-mentioned liquid by the micro-nano bubble that cleaning performance is good by air bubble film in liquid from diffuser.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned diffuser is set at the below of film in the above-mentioned liquid, and simultaneously above-mentioned micro-nano bubble cleaning part is configured in the above-mentioned liquid between the film and above-mentioned diffuser; Have the air that above-mentioned diffuser is spued that is installed in above-mentioned diffuser and guide to the 1st liner of above-mentioned micro-nano bubble cleaning part, and, be installed in the 2nd liner that the micro-nano bubble that above-mentioned micro-nano bubble cleaning part is produced of film in the above-mentioned liquid and air that above-mentioned diffuser spues are directed into film in the above-mentioned liquid.
Wastewater treatment equipment according to this embodiment, by above-mentioned the 1st liner and the 2nd liner, the micro-nano bubble that micro-nano bubble cleaning part is produced does not contact with film in the liquid lavishly with the bubble that diffuser produces, more positively film in the scavenging solution.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned aerator tank has film in a plurality of liquid that dispose more than 2 sections on above-below direction.
According to the wastewater treatment equipment of this embodiment, because in aerator tank, film is in configuration more than 2 sections on the above-below direction in a plurality of liquid, area can become and save the spatial device with therefore can reducing being provided with of aerator tank.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned photocatalyst groove has above-mentioned uviolizing portion; And, contact with above-mentioned treating water, and the illuminated ultraviolet photocatalyst plate that contains sputtered film from above-mentioned uviolizing portion.
According to the wastewater treatment equipment of this embodiment, in the photocatalyst groove, to photocatalyst plate irradiation ultraviolet radiation, can encourage the effect of the photocatalyst of photocatalyst plate by uviolizing portion.In addition, the sputtered film that the photocatalyst plate contains can become as the high rigidity of photocatalyst and fine and close film, therefore, does not also worry abrasion, peels off even run into strong current.In addition, above-mentioned uviolizing quality award from the ministry choosing is arranged on the position that above-mentioned processed water does not arrive.In addition, above-mentioned uviolizing portion can be made of mercury lamp etc.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned photocatalyst groove has LED light lamp and contains the photocatalyst plate of sputtered film, and this photocatalyst plate contacts with above-mentioned processed water also by the irradiate light from LED light lamp.
According to the wastewater treatment equipment of this embodiment, by will from the irradiate light photocatalyst plate of the discontiguous LED light lamp of above-mentioned processed water, can encourage the effect of the photocatalyst of photocatalyst plate.In addition, LED light lamp is not mercurous, unlike UV-lamp etc., therefore can become the lamp of environmentally safe.In addition, above-mentioned LED light lamp preferred disposition is in position that processed water does not arrive.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned photocatalyst substrate contains above-mentioned sputtered film and substrate, and this substrate is glass or quartz plate.
According to the wastewater treatment equipment of this embodiment, the substrate that above-mentioned photocatalyst substrate contains is made of glass or quartz plate, therefore cheap and manufacturing easily.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned photocatalyst groove has micro-nano bubble generator.
According to this embodiment, the photocatalyst groove can improve contacting for the treatment of water and photocatalyst plate effectively by producing micro-nano bubble by micro-nano bubble generator.And, these 2 kinds of oxidations of oxidation that can produce by the oxidation and the photocatalyst of micro-nano bubble generation, oxide treatment remains in the organism in the treating water at short notice.
In addition, in the wastewater treatment equipment of an embodiment, will be directed in the above-mentioned aerator tank through the treating water of biological treatment or the mud of biological treatment back generation.
According to the wastewater treatment equipment of this embodiment, owing in aerator tank, import the mud that after the treating water of biological treatment or biological treatment, produces, so can strengthen the microbic activity in aerator tank.That is, reach in the high density in culturing micro-organisms, need be through the treating water of biological treatment or the mineral substance in the mud that after biological treatment, produces.If this mineral deficiency then can cause the deficiency of microorganism active.In addition, the source by will becoming electrolyte ion be fed into aerator tank through the treating water of biological treatment or the mud that after biological treatment, produces, can become the treating water that ionogen enriches.
In addition, in the wastewater treatment equipment of an embodiment, above-mentioned photocatalyst groove has transparent outer wall.
Wastewater treatment equipment according to this embodiment, because above-mentioned photocatalyst groove has transparent outer wall, therefore shine inner extraneous light by seeing through transparent outer wall, the photocatalyst effect of photocatalyst plate can be improved, processing efficiency can be improved through the treating water of photocatalyst effect.In addition, if above-mentioned outer wall whole clearing, then could be by further improving the photocatalyst effect from upper and lower, horizontal whole incident light.
According to method of wastewater treatment of the present invention, with micro-nano bubble the organism that contains in the organic waste water is carried out pre-treatment through micro-nano bubble treatment process, the processed water to gained carries out microbiological treatment by the microbiological treatment operation again.Therefore, by effect through the pre-treatment of above-mentioned micro-nano bubble, and by after the processing of raising microorganism active, can alleviate organic loading, and, can will be used for the equipment miniaturization of microbiological treatment.In addition, by the treating water after the microbiological treatment of mentioned microorganism treatment process is carried out photocatalyst treatment, can carry out photocatalyst treatment to the organism of trace remaining in treating water, can surpass the advanced treatment of the processing limit of microbiological treatment.
Therefore,, can improve the processing efficiency that contains organic waste water by method of wastewater treatment of the present invention, can realize simultaneously wastewater treatment equipment scale dwindle reduction with operation cost.
Description of drawings
[Fig. 1] is the synoptic diagram of the 1st embodiment of wastewater treatment equipment of the present invention.
[Fig. 2] is the synoptic diagram of the 2nd embodiment of wastewater treatment equipment of the present invention.
[Fig. 3] is the synoptic diagram of the 3rd embodiment of wastewater treatment equipment of the present invention.
[Fig. 4] is the synoptic diagram of the 4th embodiment of wastewater treatment equipment of the present invention.
[Fig. 5 A] is the total organic carbon concentration that contains organic waste water in above-mentioned the 1st～the 4th embodiment time diagram when being 800ppm.
[Fig. 5 B] is the total organic carbon concentration that contains organic waste water in above-mentioned the 1st～the 4th embodiment time diagram when being 1600ppm.
The explanation of symbol
1 adjusts groove
2 adjust the groove pump
3 micro-nano bubble reactive tanks
4 micro-nano bubble generators
5,14,26 air intake pipes
6 recycle pumps
7,7N, 7V, 7Z aerator tank
8,11 diffusers
9 discontinuous running gas blowers
10 air pipe arrangements
12 diffuser covers
13,27,29 send the water pipe arrangement
15 micro-nano bubble generators
Film cover in 16 liquid
Film in 17 liquid
18 gravity pipe arrangements
19,20,21 conveying pumps
22 photocatalyst grooves
23 UV-lamp
24 photocatalyst plates
25 micro-nano bubble generators
28 gas blowers
30 polyvinylidene chloride weighting materials
31 dividing plates
The 32A ascending current
The 32B descent waterflow
Embodiment
Below, describe the present invention in detail by illustrated embodiment.
(the 1st embodiment)
The 1st embodiment that in Fig. 1, has shown wastewater treatment equipment of the present invention.The 1st embodiment has the groove 1 of adjustment, micro-nano bubble reactive tank 3, aerator tank 7 and photocatalyst groove 22.
Importing contains organic waste water in above-mentioned adjustment groove 1, adjusts in groove 1 at this, adjusts the water yield and the water quality that contain organic waste water.In addition, as importing the waste water that this adjusts groove 1, can exemplify as various and contain organic waste water, as an example, can exemplify waste water as food factories, from the organic bases waste water of semiconductor factory etc., in addition, sanitary wastewater also contains organism and therefore also is equivalent to contain organic waste water.Contain organic waste water after this adjustment groove 1 is adjusted the water yield and water quality, be fed to micro-nano bubble reactive tank 3 through adjusting groove pump 2 as treating water.
This micro-nano bubble reactive tank 3 portion within it is provided with micro-nano bubble generator 4.Connect air intake pipe 5 and send water pipe arrangement 29 at this micro-nano bubble generator 4.This air intake pipe 5 imports micro-nano bubble generator 4 with air, above-mentionedly send water pipe arrangement 29 autogamys in the future to place the treating water of being sent here by conveying pump 19 of the liquid film 17 in the aerator tank 7 to be supplied to micro-nano bubble generator 4.Like this, this micro-nano bubble generator 4 produces micro-nano bubble.
In addition, above-mentioned water pipe arrangement 29 and the conveying pump 19 of sending constitutes the bottled water division.In addition, this micro-nano bubble generator 4 can adopt commercially available product, does not limit producer.As an example, can adopt the product of the Na ノ プ ラ ネ of Co., Ltd. Star ト institute.In addition, as other commodity of micro-nano bubble generator,, also can select the soaked manufacturing installation of micron of the オ of Co., Ltd. one ラ テ Star Network, development of resources Co., Ltd. and Xihua Industry Co., Ltd as an example.
In this micro-nano bubble reactive tank 3, the organism that contains in the organic waste water passes through micro-nano bubble by partial oxidation.Quilt then is fed to aerator tank 7 by the processed water of the micro-nano bubble partial oxidation of micro-nano bubble generator 4 generations of micro-nano bubble reactive tank 3.
Set up recycle pump 6 at this aeration pump 7.This recycle pump 6 is directed into micro-nano bubble reactive tank 3 by circulation pipe arrangement L1 with the mud that contains processed water in the aerator tank 7.Be fed to after the micro-nano bubble processing of the mud that contains above-mentioned processed water via micro-nano bubble generator 4 generations of this micro-nano bubble reactive tank 3, be back to aerator tank 7 once more.
That is, contain the mud of above-mentioned processed water, between aerator tank 7 and micro-nano bubble reactive tank 3, circulate by recycle pump 6.By the circulation through this recycle pump 6, processed water can be supplied with oxygen to treating water by micro-nano bubble simultaneously by micro-nano bubble oxidation.Known especially, the nanometer bubble exists in water all the time, and dissolved oxygen concentration is raise.
At this 3 kinds of bubbles are described.
(i) common bubble (bubble) rises in water, finally the surface " bang " the disappearance of splitting.
(ii) the micron bubble is the micro bubble of diameter below 50 microns (μ m), dwindles in water, until last disappearance (dissolving fully).
(iii) the nanometer bubble is than the littler bubble of micron bubble, and (for example diameter is 100～200nm) to diameter, the bubble of being known as and can existing in water all the time below number 100nm.
Therefore, can be illustrated as the mixing bubble of above-mentioned micron bubble and nanometer bubble at this micro-nano bubble.
Therefore, supply with the gas blower continuous operation 24 hours that the aeration in the aerator tank of oxygen uses with respect to the micro-nano bubble of not utilizing in the past, in this embodiment, aerator tank 7 is by the bubble intermittent aeration, and this bubble is the bubble of the air that spues from diffuser 8 through air pipe arrangements 10 from the discontinuous running gas blower 9 of discontinuous running.Because this gas blower 9 of discontinuous running can be saved energy than the situation of continuous operation.
As shown in Figure 1, with liquid in different 3 conveying pumps 19,20,21 that send the water place that connect of film 17 be attached to aerator tank 7 and be provided with.
Above-mentioned conveying pump 19 is delivered to micro-nano bubble reactive tank 3 with processed water film 17 from liquid as mentioned above.In addition, conveying pump 20 will be from the processed water of film in the liquid 17 through sending water pipe arrangement 13, deliver to the micro-nano bubble generator 15 that is used for scavenging solution film 17.In addition, connect air intake pipe 14, import air to micro-nano bubble generator 15 from this air intake pipe 14 at this micro-nano bubble generator 15.
In addition, conveying pump 21 takes place 25 with processed water film 17 from liquid through sending water pipe arrangement 27 to deliver to be arranged at the micro-nano bubble in the follow-up photocatalyst groove 22.In addition, connect air intake pipe 26, air is directed into micro-nano bubble generator 25 from this air intake pipe 26 at this micro-nano bubble generator 25.
In addition, in above-mentioned liquid, install as film cover 16 in the liquid of the 2nd liner on the film 17.In this liquid film cover 16 play from be arranged at micro-nano bubble generator 15 below the air that spues of diffuser 11 when rising, the air that the ultramicrofine micro-nano bubble that micro-nano bubble generator 15 is produced spues with above-mentioned diffuser 11 is directed into film 17 in the liquid, make it with liquid in the effects that effectively contact of film 17.
At the diffuser 11 that is connected with gas blower 28 diffuser cover 12 as the 1st liner is installed also.This diffuser cover 12 plays the effect that the air that effectively diffuser 11 is spued is directed into micro-nano bubble generator 15.From above-mentioned gas blower 28 to diffuser 11 air supplies, but this gas blower 28 be continuous 24 hours work.Its reason is that the air purge of film 17 in the liquid needs 24 hours work.
On the other hand, determine the runtime of micro-nano bubble generator 15 runnings in conjunction with the congestion situations of film in the liquid 17.That is the runtime of micro-nano bubble generator 15 is longer when, containing a large amount of lubricant component in the general processed water.The air that is supplied to diffuser 11 from gas blower 28 spues from diffuser 11, the film surface of film 17 in the scavenging solution, however yes from the cleaning performance height of film 17 in the liquid that mixes bubble of spue air and the micro-nano bubble of this diffuser 11.
On the other hand, through pipe arrangement L2, will be directed in the aerator tank 7 through the treating water or the mud of biological treatment through carrying out a biological disposal upon.By being directed in this aerator tank 7 through the treating water or the mud through carrying out a biological disposal upon of biological treatment, trace elements such as the phosphorus that contains in the mud of the treating water of biological treatment or generation after carrying out a biological disposal upon, potassium, calcium, magnesium can promote microorganism active whole in the aerator tank 7.Particularly, in the high concentration microorganism of film 17 in the liquid of aerator tank 7 was handled, if do not contain above-mentioned trace element in the treating water, then microorganism did not have activity, handled unstable.In addition, the microorganism concn in this aerator tank 7 in MLSS (suspended solids in the mixed solution) 10000ppm with on turn round.The treating water that film 17 comes out from this liquid is fed in the photocatalyst groove 22 through gravity pipe arrangement 18-A.Gravity pipe arrangement 18-A can utilize waterhead to derive the pipe arrangement of processed water.
This photocatalyst groove 22 is provided as the UV-lamp 23 of uviolizing portion at topmost, and UV-lamp 23 is arranged on the position that processed water does not arrive.In addition, in the inside of this photocatalyst groove 22, micro-nano bubble generator 25 is set.In addition, between UV-lamp 23 and micro-nano bubble generator 25, photocatalyst plate 24 is set.This photocatalyst plate 24 contacts with processed water, and above-mentioned UV-lamp 23 does not contact with above-mentioned processed water.
In above-mentioned photocatalyst groove 22, utilize the micro-nano bubble that produces from micro-nano bubble generator 25 to mix photocatalyst and the processed water that stirs photocatalyst plate 24, come the oxidation processed water by above-mentioned micro-nano bubble simultaneously.This photocatalyst plate 24 is specially and utilizes sputtering method to form sputtered film on sheet glass and make.In addition, general because UV-lamp 23 contains deleterious mercury, therefore also can environment for use on the LED light lamp of safety replace UV-lamp 23.In addition, are the conveying pumps 21 that are connected by with film 17 in the liquid to the supply water of micro-nano bubble generator 25, the processed water through sending water pipe arrangement 27 to supply with.
Afterwards, the outlet from this photocatalyst groove 22 obtains treating water.According to the drain treatment apparatus of the 1st embodiment, contain organic waste water at micro-nano bubble reactive tank 3 by micro-nano bubble processing, be directed into afterwards in the aerator tank 7 with film 17 in the liquid.Like this, when micro-nano bubble raising microbic activity is handled, because before the microbiological treatment in aerator tank 7, in micro-nano bubble reactive tank 3, contain organic waste water with micro-nano bubble processing, therefore can realize the miniaturization of aerator tank 7, the downsizing of the scale of implement device integral body reduces current cost just.In addition,, can alleviate after the organic loading, processed water be imported in the aerator tank 7 of microorganism high density existence, handle organism effectively by film in the liquid 17 by utilizing the organism in the micro-nano bubble oxidized waste water.In addition, in the follow-up photocatalyst groove 22 of aerator tank 7,, can only utilize the oxide treatment of the organic degree of depth of the impossible trace of microbiological treatment by utilizing the oxide treatment of photocatalyst.
In addition, according to this embodiment, photocatalyst groove 22 produces micro-nano bubble by making micro-nano bubble generator 25, can improve the contact efficiency of processed water and photocatalyst plate 24.And, by oxidation and these the 2 kinds of oxidations of oxidation that utilize photocatalyst, the oxide treatment residual organic in treating water at short notice of utilizing micro-nano bubble.
Therefore,, can improve the processing efficiency that contains organic wastewater according to the 1st embodiment, can realize simultaneously wastewater treatment equipment scale dwindle reduction with operation cost.
In addition, in the 1st embodiment, constitute the bottled water division conveying pump 19, send water pipe arrangement 29 that processed water is delivered to micro-nano bubble generator 4 in the micro-nano bubble reactive tank 3 from above-mentioned aerator tank 7 film 17 through above-mentioned liquid.That is, will contain in the electrolytical liquid film processed water from as having utilized the liquid aerator tank 7 of the high concentration microorganism device of film 17 to deliver to micro-nano bubble generator 4.Like this, this micro-nano bubble generator 4 can stably be supplied with atomic little bubble in micro-nano bubble reactive tank 3.
(the 2nd embodiment)
Below, in Fig. 2, shown the 2nd embodiment of wastewater treatment equipment of the present invention.The 2nd embodiment only in the liquid that is arranged at aerator tank 7N film 17 above that film 117 these points are set in 1 liquid again is different with the 1st above-mentioned embodiment.Like this, in the 2nd embodiment, for the 1st embodiment in the identical identical symbol of part mark, omit detailed explanation, only the explanation with the 1st embodiment distinct portions.
As shown in Figure 2, in the 2nd embodiment, in liquid film 17 above be provided with in the liquid that film 17 and 117 is three-dimensional the setting in 117, two liquid of film.Have following advantage by this: what can not increase aerator tank 7 is provided with the ground area, and on solid, effectively utilize from liquid film 17 and 117 below rise micro-nano bubble, clean and use air.
(the 3rd embodiment)
Below, in Fig. 3, shown the 3rd embodiment of wastewater treatment equipment of the present invention.The 3rd embodiment is only different with the 1st above-mentioned embodiment at filling polyvinylidene chloride weighting material 30 these points in aerator tank 7V.By this, in the 3rd embodiment, for the 1st embodiment in the identical identical symbol of part mark, omit detailed explanation, only the explanation with the 1st embodiment distinct portions.
In the 3rd embodiment, owing to filled polyvinylidene chloride weighting material 30 among the aerator tank 7V, therefore, then to compare with the situation that does not have above-mentioned weighting material 30 as if ensemble average with aerator tank 7V, microorganism can become high density.And microorganism adheres to breeding on polyvinylidene chloride weighting material 30, therefore compares with the situation that does not have weighting material, and microorganism is stabilization more, improves the organic ability that contains in the organic waste water of handling.
In addition, preferably polyvinylidene chloride weighting material 30 is configured in the integral body of tank 7V.At this moment, microorganism concn becomes high density in the integral body of aerator tank 7V.
In the 3rd embodiment, begin process from the trial trip of device along with the time, microorganism breeds on polyvinylidene chloride weighting material 30.The concentration of the microorganism on the surface of this polyvinylidene chloride weighting material 30 is more than the 30000ppm, and treatment of organic matters of organic efficient improves.The material of this polyvinylidene chloride weighting material 30 is strong and can semipermanent not be used by chemical substance erosive vinylidene chloride.As this polyvinylidene chloride weighting material 30, commodity such as バ イ オ コ one De, リ Application グ レ one ス, バ イ オ マ Le チ リ one Off, バ イ オ モ ジ ユ one Le are arranged, select to get final product according to the proterties of waste water.In addition, also can be with the 3rd embodiment and the combination of above-mentioned the 2nd embodiment.
(the 4th embodiment)
Below, in Fig. 4, shown the 4th embodiment of wastewater treatment equipment of the present invention.It is different with above-mentioned the 1st embodiment that the 4th embodiment only is to be configured near the nearly central authorities of aerator tank 7Z dividing plate 31 these points that vertically (aspect up and down) extend.Like this, in the 4th embodiment, for the 1st embodiment in the identical identical symbol of part mark, omit detailed explanation, only the explanation with the 1st embodiment distinct portions.
In the 4th embodiment, the air of being supplied with by gas blower 28 that spues from diffuser 11 makes generation ascending current 32A in above-mentioned aerator tank 7Z, this ascending current 32A crosses above-mentioned ectocentral dividing plate 31, moves to the opposite side with diffuser 11, forms descent waterflow 32B.Like this, owing to stirred fully in the aerator tank 7Z, therefore can promote the organic microbiological degradation in the treating water.In addition, the 4th embodiment also can make up with above-mentioned the 2nd, the 3rd embodiment.
(embodiment)
Made with Fig. 1 in the experimental installation of the 1st embodiment same structure that shows.In this experimental installation, the capacity of adjusting groove 1 is that 50 liters, the capacity of micro-nano bubble reactive tank 3 are 20 liters, and the capacity of aerator tank 7 is 200 liters.In the above-mentioned experimental installation, after the cultivation that schedules to last about 2 months microorganism finishes, microorganism concn is about 14000ppm, the organic concentration that contains the organic waste water of discharging from factory that to represent with total organic carbon amount (TOC=total organic carbon) measurement result is the waste water of 860ppm, is directed into continuously and adjusts in the groove 1.After 1 month, treat that water conditioning measures the total organic carbon amount of the treating water that obtains from the outlet of gravity pipe arrangement 18-B, the result is 12ppm.
In addition, an example that has shown the time diagram of the 1st～the 4th embodiment when the above-mentioned total organic carbon concentration that contains organic waste water is 800ppm in Fig. 5 A has shown an example of the time diagram of the 1st～the 4th embodiment when the total organic carbon amount concentration that contains organic waste water is 1600ppm in Fig. 5 B.In addition, in above-mentioned the 1st～the 4th embodiment,, then can shine inner extraneous light by seeing through transparent outer wall if the outer wall of above-mentioned photocatalyst groove 22 is transparent, improve the photocatalyst effect of photocatalyst plate 24, can improve the processing efficiency of the treating water that utilizes the photocatalyst effect.Particularly, if above-mentioned outer wall whole clearing, then could be by further improving the photocatalyst effect from upper and lower, horizontal whole incident light.
Claims (15)
1. method of wastewater treatment is characterized in that, has
Handle the micro-nano bubble treatment process that contains organic waste water with micro-nano bubble;
Use film in the liquid, in above-mentioned micro-nano bubble treatment process, handling the microbiological treatment operation that the above-mentioned treating water that contains organic waste water and get carries out microbiological treatment;
Clean the matting of film in the above-mentioned liquid with micro-nano bubble; With
Treating water after the mentioned microorganism processing is carried out the photocatalyst treatment operation of photocatalyst treatment.
2. wastewater treatment equipment is characterized in that, has
Be imported into and contain organic waste water, and handle the above-mentioned micro-nano bubble reactive tank that contains organic waste water with micro-nano bubble;
Be imported into treating water, and have film in the liquid, above-mentioned treating water is carried out microbiological treatment, and have the aerator tank that the micro-nano bubble of generation cleans the micro-nano bubble cleaning part of film in the above-mentioned liquid from above-mentioned micro-nano bubble reactive tank;
Be imported into treating water from above-mentioned aerator tank, and the photocatalyst groove of the above-mentioned treating water of photocatalyst treatment.
3. wastewater treatment equipment as claimed in claim 2 is characterized in that,
Have the adjustment groove, this adjustment groove is configured in before the above-mentioned micro-nano bubble reactive tank, and is imported into and above-mentionedly contains organic waste water, and adjusts the above-mentioned water quality and the water yield that contains organic waste water,
Above-mentioned micro-nano bubble reactive tank is imported into the organic waste water that contains after above-mentioned adjustment groove has been adjusted the water quality and the water yield.
4. wastewater treatment equipment as claimed in claim 2 is characterized in that,
Above-mentioned micro-nano bubble reactive tank has micro-nano bubble generator,
Have processed water is fed through the bottled water division of micro-nano bubble generator from above-mentioned aerator tank film through above-mentioned liquid.
5. wastewater treatment equipment as claimed in claim 2 is characterized in that, above-mentioned aerator tank has the spue diffuser of film in the above-mentioned liquid of air purge of in above-mentioned liquid film,
Utilize air mixed that the micro-nano bubble that will above-mentioned micro-nano bubble cleaning part produces and above-mentioned diffuser spue and must mix bubble, clean film in the above-mentioned liquid.
6. wastewater treatment equipment as claimed in claim 5 is characterized in that above-mentioned diffuser is set at the below of film in the above-mentioned liquid, and simultaneously above-mentioned micro-nano bubble cleaning part is configured in the above-mentioned liquid between the film and above-mentioned diffuser;
Have the air that above-mentioned diffuser is spued that is installed in above-mentioned diffuser and guide to the 1st liner of above-mentioned micro-nano bubble cleaning part, and, be installed in the 2nd liner that the micro-nano bubble that above-mentioned micro-nano bubble cleaning part is produced of film in the above-mentioned liquid and air that above-mentioned diffuser spues are directed into film in the above-mentioned liquid.
7. wastewater treatment equipment as claimed in claim 2 is characterized in that, above-mentioned aerator tank has film in a plurality of liquid that dispose more than 2 sections on above-below direction.
8. wastewater treatment equipment as claimed in claim 2 is characterized in that, above-mentioned photocatalyst groove has uviolizing portion; And,
The photocatalyst plate that contains sputtered film, this photocatalyst plate contacts with above-mentioned treating water, and by the uviolizing from above-mentioned uviolizing portion.
9. wastewater treatment equipment as claimed in claim 2 is characterized in that, above-mentioned photocatalyst groove has LED light lamp; And
The photocatalyst plate that contains sputtered film, this photocatalyst plate contacts with above-mentioned treating water, and by the irradiate light from above-mentioned LED light lamp.
10. wastewater treatment equipment as claimed in claim 8 is characterized in that, above-mentioned photocatalyst substrate contains above-mentioned sputtered film and substrate, and this substrate is glass or quartz plate.
11. wastewater treatment equipment as claimed in claim 9 is characterized in that, above-mentioned photocatalyst substrate contains above-mentioned sputtered film and substrate, and this substrate is glass or quartz plate.
12. wastewater treatment equipment as claimed in claim 2 is characterized in that, above-mentioned photocatalyst groove has micro-nano bubble generator.
13. wastewater treatment equipment as claimed in claim 2 is characterized in that, will be directed into above-mentioned aerator tank through the treating water of biological treatment or the mud of biological treatment back generation.
14. wastewater treatment equipment as claimed in claim 8 is characterized in that, above-mentioned photocatalyst groove constitutes periphery by transparent outer wall, and in periphery configuration uviolizing portion.
15. wastewater treatment equipment as claimed in claim 9 is characterized in that, above-mentioned photocatalyst groove constitutes periphery by transparent outer wall, and in periphery configuration uviolizing portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP060613/2005 | 2005-03-04 | ||
| JP2005060613A JP3893396B2 (en) | 2005-03-04 | 2005-03-04 | Waste water treatment method and waste water treatment equipment |
| PCT/JP2006/301551 WO2006095509A1 (en) | 2005-03-04 | 2006-01-31 | Method of wastewater treatment and wastewater treatment equipment |
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| CN101132992A CN101132992A (en) | 2008-02-27 |
| CN101132992B true CN101132992B (en) | 2011-07-06 |
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| CN2006800067965A Expired - Fee Related CN101132992B (en) | 2005-03-04 | 2006-01-31 | Method of wastewater treatment and wastewater treatment equipment |
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| US (1) | US7641802B2 (en) |
| JP (1) | JP3893396B2 (en) |
| CN (1) | CN101132992B (en) |
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2006
- 2006-01-31 US US11/816,985 patent/US7641802B2/en not_active Expired - Fee Related
- 2006-01-31 WO PCT/JP2006/301551 patent/WO2006095509A1/en not_active Application Discontinuation
- 2006-01-31 CN CN2006800067965A patent/CN101132992B/en not_active Expired - Fee Related
- 2006-02-13 TW TW095104753A patent/TW200631903A/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569680A (en) * | 2003-07-17 | 2005-01-26 | 刘德周 | Biomembrane water treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006095509A1 (en) | 2006-09-14 |
| US20090032460A1 (en) | 2009-02-05 |
| JP2006239613A (en) | 2006-09-14 |
| TW200631903A (en) | 2006-09-16 |
| CN101132992A (en) | 2008-02-27 |
| US7641802B2 (en) | 2010-01-05 |
| JP3893396B2 (en) | 2007-03-14 |
| TWI317349B (en) | 2009-11-21 |
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